Price Per Quart Calculator
Easily compare the value of different sized liquid products. By standardizing the cost to a "price per quart," you can quickly see which item is the better deal.
Enter the item's Total Price and its Total Volume (e.g., 1.5 Gallons) to find its unit price.
Enter Product Details
Understanding Unit Price & Conversions
What is Price Per Quart?
The "price per quart" is a type of unit price. It's a standard measure that tells you how much one quart of a product costs, allowing for a fair "apples-to-apples" comparison between different container sizes and brands. A lower price per quart indicates better value.
Conversion Factors Used
To calculate the price per quart, the calculator first converts the item's total volume into quarts using these standard US customary conversions:
- 1 Gallon =
4 Quarts - 1 Quart =
1 Quart(base unit) - 1 Pint =
0.5 Quarts - 1 Liter ≈
1.05669 Quarts - 1 Fluid Ounce (US) =
0.03125 Quarts(or 32 fl oz = 1 Quart)
The Final Calculation
Once the total volume is converted to quarts, the formula is simple:
Price Per Quart = Total Price / Total Volume in Quarts
10 Real-World Comparison Examples
Click on an example to see how the calculation works in a shopping scenario.
Example 1: Comparing Milk Prices
Scenario: You're choosing between a full gallon of milk and a half-gallon.
Item A (Gallon): Price: $3.99, Volume: 1 Gallon. The tool calculates this is $1.00 per quart.
Item B (Half-Gallon): Price: $2.50, Volume: 0.5 Gallons (or 2 Quarts). The tool calculates this is $1.25 per quart.
Conclusion: The full gallon is the better value.
Example 2: Soda Bottles (US vs. Metric)
Scenario: Deciding between a 2-liter bottle and a pack of cans.
Item A (2-Liter): Price: $2.29, Volume: 2 Liters. The tool converts 2 Liters to 2.11 Quarts and finds the cost is $1.08 per quart.
Example 3: Motor Oil Jugs
Scenario: Comparing a large jug vs. a single-quart bottle of motor oil.
Item A (5-Quart Jug): Price: $28.50, Volume: 5 Quarts. The cost is $5.70 per quart.
Item B (1-Quart Bottle): Price: $7.99, Volume: 1 Quart. The cost is $7.99 per quart.
Conclusion: The 5-quart jug offers significant savings.
Example 4: Orange Juice Cartons
Scenario: A standard carton of orange juice is 52 fl oz.
Item A (52 fl oz Carton): Price: $3.89, Volume: 52 Fluid Ounces. The tool converts 52 fl oz to 1.625 Quarts and finds the cost is $2.39 per quart.
Example 5: Olive Oil
Scenario: A bottle of olive oil is sold in liters.
Item A (1.5 Liter Bottle): Price: $14.99, Volume: 1.5 Liters. The tool converts this to 1.585 Quarts and calculates a price of $9.46 per quart.
Example 6: Paint Cans
Scenario: Buying paint for a project.
Item A (1-Gallon Can): Price: $45.00, Volume: 1 Gallon. This is equivalent to 4 Quarts, so the price is $11.25 per quart.
Item B (1-Quart Can): Price: $18.00, Volume: 1 Quart. The price is $18.00 per quart.
Conclusion: If you need the volume, the gallon can is much cheaper per unit.
Example 7: Dish Soap
Scenario: Comparing two sizes of dish soap.
Item A (28 fl oz Bottle): Price: $3.49, Volume: 28 fl oz. This is $3.99 per quart.
Item B (56 fl oz Bottle): Price: $5.97, Volume: 56 fl oz. This is $3.41 per quart.
Conclusion: The larger bottle is the better value.
Example 8: Ice Cream
Scenario: Ice cream is often sold in 1.5-quart containers.
Item A (1.5 Quarts): Price: $5.49, Volume: 1.5 Quarts. The tool calculates this as $3.66 per quart.
Example 9: Small, Expensive Items (Vanilla Extract)
Scenario: Understanding the true cost of small items.
Item A (2 fl oz bottle): Price: $6.99, Volume: 2 Fluid Ounces. The unit price is a surprising $111.84 per quart.
Conclusion: This shows how unit pricing can reveal high costs for small-volume products.
Example 10: Bulk Vinegar
Scenario: Buying a large jug of cleaning vinegar.
Item A (1.32 Gallon Jug): Price: $4.89, Volume: 1.32 Gallons. The tool converts this to 5.28 Quarts, giving a price of $0.93 per quart.
10 Frequently Asked Questions
1. How do I use this calculator?
Enter the total price of the item, its total volume (e.g., "2"), and select the correct unit (e.g., "Liters"). Click "Calculate" to see the price per quart.
2. Why is comparing by "Price Per Quart" useful?
It creates a standard for comparison. It lets you identify the best value between products of different sizes and brands, helping you save money.
3. Can I compare a gallon of milk to a liter of juice?
Yes. The calculator converts both volumes to quarts, so you can directly compare their unit prices to see which is a better deal based on volume.
4. What if my item's unit isn't on the list (e.g., cups)?
You can do a simple pre-conversion. Since 1 quart = 4 cups, an item that is "6 cups" would be 1.5 quarts. You would enter "1.5" for the volume and select "Quarts".
5. Why did I get an error message?
Errors occur if you leave a field blank, or if you enter zero, a negative number, or text (like "abc"). Both price and volume must be positive numbers to get a valid result.
6. Does this calculator work for dry goods like flour or sugar?
No. This tool is for liquid volume (fluid ounces, pints, quarts, gallons). Dry goods are measured by weight (ounces, pounds) or dry volume, which are different systems.
7. How does the calculator handle a "half-gallon" carton?
You would enter "0.5" in the "Total Volume" field and select "Gallons" from the dropdown menu.
8. Why is the entire tool in one block of code?
This self-contained design allows it to be easily added to a WordPress page via a shortcode or HTML block without needing to edit theme files or install other plugins, ensuring it works right out of the box.
9. Is my data saved or tracked?
No. The calculator runs entirely in your web browser (client-side). No data you enter is sent to any server, making it completely private.
10. How accurate are the conversions?
The conversions between US customary units (gallons, quarts, pints, fl oz) are exact. The Liter-to-Quart conversion is an industry-standard approximation (1 L ≈ 1.05669 qt) that is highly accurate for all consumer purposes.
